Home / 31,505,955.90-47,240,271.45-16,389,411.90

Finding the Fourth Proportional to 31,505,955.90, 47,240,271.45 and 16,389,411.90

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Solution

The fourth proportional to 31,505,955.90, 47,240,271.45 and 16,389,411.90 is: 24,574,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,955.90 : 47,240,271.45 = 16,389,411.90 : x
  2. Step 2: Convert to fraction form
    31,505,955.90/47,240,271.45 = 16,389,411.90/x
  3. Step 3: Cross multiply
    31,505,955.90x = 47,240,271.45 × 16,389,411.90
  4. Step 4: Simplify right side
    31,505,955.90x = 774,240,267,061,860.38
  5. Step 5: Solve for x
    x = 774,240,267,061,860.38/31,505,955.90
  6. Step 6: Final answer
    x = 24,574,409.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.